Sapphire meets precision: Richard Mille’s RM 75-01 makes transparency a luxury

We’ve all witnessed how innovation in watchmaking often means adding yet another complication to an already crowded dial. Thankfully, Richard Mille has taken a different tack with its latest creation—the RM 75-01 Flying Tourbillon Sapphire.  Beyond its sapphire-cased exterior, the RM 75-01 represents something more significant: a movement specifically conceived…